They are not available to buy yet. Our factory is trying their best to produce them and still need some time to see them available in the market. Please wait patiently. And currently, there is no Dome version to follow of the 810A.

Updated 2021/11/30:
Hi everyone, for the firmware of the RLN8-410-E (Hardware-version: H3MB16), you can try to get it from our support team. Please submit a request here, Submit a request – Reolink Support.

Original post:
Hi, there. You can check on this website:
This is the latest one for the RLN8-410-E with NVR UID starts with 9527.